On 2018-07-19 15:44:23 -0500, Nico Williams wrote: > On Thu, Jul 19, 2018 at 03:42:46PM -0500, Nico Williams wrote: > > On Thu, Jul 19, 2018 at 01:38:52PM -0700, Andres Freund wrote: > > > Uhm, this'd already require a fair bit of threadsafety. Like at least > > > all of the memory allocator / context code. Nor is having threads > > > around unproblematic for subprocesses that are forked off. Nor does > > > this account for the portability work. > > > > Yes, but that's in libc. None of that is in the PG code itself. > > Hmm, it would have perf impact, yes. Could the postmaster keep a pipe > to all the backend processes and do reporting for them?
No, postmaster doesn't have sockets open to the client.